https://integration.wikimedia.org/ci/job/mediawiki-quibble-composer-mysql-php74/1332/console#console-section-8
```
00:03:26.544 04 06 2024 22:10:21.433:ERROR [launcher]: Cannot start ChromeHeadless
00:03:26.544 [0604/221021.426451:ERROR:headless_shell.cc(266)] Multiple targets are not supported.
00:03:26.544
00:03:26.544 04 06 2024 22:10:21.433:ERROR [launcher]: ChromeHeadless stdout:
00:03:26.545 04 06 2024 22:10:21.433:ERROR [launcher]: ChromeHeadless stderr: [0604/221021.426451:ERROR:headless_shell.cc(266)] Multiple targets are not supported.
```
Chromium C code has:
```
lang=cc,name=chromium/chrome/app/chrome_main.cc
if (headless::IsHeadlessMode()) {
if (command_line->GetArgs().size() > 1) {
LOG(ERROR) << "Multiple targets are not supported in headless mode.";
return chrome::RESULT_CODE_UNSUPPORTED_PARAM;
}
```
Comes from https://chromium-review.googlesource.com/c/chromium/src/+/4160268 which was released with 111.0.5546.0.